11131101 has 14 divisors (see below), whose sum is σ = 16690110. Its totient is φ = 7420248.

The previous prime is 11131079. The next prime is 11131111. The reversal of 11131101 is 10113111.

It can be written as a sum of positive squares in only one way, i.e., 9308601 + 1822500 = 3051^2 + 1350^2 .

It is not a de Polignac number, because 11131101 - 2⁵ = 11131069 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11131111) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 6906 + ... + 8363.

Almost surely, 2^11131101 is an apocalyptic number.

It is an amenable number.

11131101 is a deficient number, since it is larger than the sum of its proper divisors (5559009).

11131101 is an frugal number, since it uses more digits than its factorization.

11131101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15287 (or 15272 counting only the distinct ones).

The product of its (nonzero) digits is 3, while the sum is 9.

The square root of 11131101 is about 3336.3304692431. The cubic root of 11131101 is about 223.2780554263.

Adding to 11131101 its reverse (10113111), we get a palindrome (21244212).

It can be divided in two parts, 1113110 and 1, that added together give a palindrome (1113111).

The spelling of 11131101 in words is "eleven million, one hundred thirty-one thousand, one hundred one".